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자료유형
학술저널
저자정보
Lee Sang Chul (Division of Pulmonology Department of Internal Medicine National Health Insurance Service Ilsan Hos) Son Kang Ju (Department of Research and Analysis National Health Insurance Service Ilsan Hospital Goyang Korea.) Park Hye-Jung (Division of Pulmonology Department of Internal Medicine Gangnam Severance Hospital Yonsei Universit) Jung Ji Ye (Division of Pulmonary and Critical Care Medicine Department of Internal Medicine Severance Hospital) Park Seon Cheol (Division of Pulmonology Department of Internal Medicine National Health Insurance Service Ilsan Hos) Jeong Sung Hwan (Division of Pulmonology and Allergy Department of Internal Medicine Gil Medical Center Gachon Unive) Park Jung-Won (Division of Allergy and Immunology Department of Internal Medicine Severance Hospital Yonsei Univer)
저널정보
대한천식알레르기학회(구 대한알레르기학회) Allergy, Asthma & Immunology Research Allergy, Asthma & Immunology Research Vol.13 No.6
발행연도
2021.11
수록면
908 - 921 (14page)
DOI
10.4168/aair.2021.13.6.908

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Purpose: Asthma and bronchiectasis are common chronic respiratory diseases, and their coexistence is frequently observed but not well investigated. Our aim was to study the effect of comorbid bronchiectasis on asthma. Methods: A propensity score-matched cohort study was conducted using the National Health Insurance Service-Health Screening Cohort database. From 2005 to 2008, 8,034 participants with asthma were weighted based on propensity scores in a 1:3 ratio with 24,099 participants without asthma. From the asthma group, 141 participants with overlapped bronchiectasis were identified, and 7,892 participants had only asthma. Clinical outcomes of acute asthma exacerbation(s) and mortality rates were compared among the study groups. Results: The prevalence of bronchiectasis (1.7%) was 3 times higher in asthmatics than in the general population of Korea. Patients who had asthma comorbid with bronchiectasis experienced acute exacerbation(s) more frequently than non-comorbid patients (11.3% vs. 5.8%, P = 0.007). Time to the first acute exacerbation was also shorter in the asthmatics with bronchiectasis group (1,970.9 days vs. 2,479.7 days, P = 0.005). Although bronchiectasis was identified as a risk factor for acute exacerbation (adjusted odds ratio, 1.73; 95% confidence interval [CI], 1.05?2.86), there was no significant relationship between bronchiectasis and all-cause or respiratory mortality (adjusted hazard ratio [aHR], 1.17; 95% CI, 0.67?2.04 and aHR, 0.81; 95% CI, 0.11?6.08). Conclusions: Comorbid bronchiectasis increases asthma-related acute exacerbation, but it does not-raise the risk of all-cause or respiratory mortality. Close monitoring and accurate diagnosis of bronchiectasis are required for patients with frequent exacerbations of asthma.

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